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Note 12 - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted Average |
|  | December 31, |  |  | Amortization |
|  | 2018 |  |  | 2017 |  |  | Period |
Finite-lived intangibles: |  |  |  |  |  |  |  |  |  |  |  |
Non-competition agreements |  | $ | 0.2 |  |  | $ | 0.2 |  |  |  | 5 |
Customer relationships |  |  | 75.3 |  |  |  | 75.3 |  |  |  | 10 |
LDC Network |  |  | 10.5 |  |  |  | 10.5 |  |  |  | 10 |
Total finite-lived intangibles |  |  | 86.0 |  |  |  | 86.0 |  |  |  |  |
Less accumulated amortization |  |  | (20.9 | ) |  |  | (12.3 | ) |  |  |  |
Total identifiable intangible assets, net |  | $ | 65.1 |  |  | $ | 73.7 |  |  |  |  |

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